The Transit Room at Hartwell Manor, Buckinghamshire, 1851.
© Science Museum / Science & Society Picture Library
Engraving showing an astronomer using a telescope at the Jacobean manor house and estate at Hartwell, now known as Hartwell House. He is taking notes while seated in an adjustable seat. Illustration from 'aedes Hartwellianae, or notices of the manor and mansion of Hartwell' by William Henry Smyth (1788-1865), published in London in 1851.